Display rotation apparatus

Abstract

The present invention relates to a display rotation apparatus. The present invention provides a display rotation apparatus, including a support, a universal joint coupled to the support, a movable body coupled to the universal joint, a driving part coupled to the movable body for rotating the movable body about the universal joint.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a side view of a display rotation apparatus according to a first disclosed embodiment of the invention.

FIG. 2 is a perspective view of a first motor part according to a second disclosed embodiment of the invention.

FIG. 3 is a cross-sectional view of a rotary part of the first motor part according to the second disclosed embodiment of the invention.

FIG. 4 is a plane view of a support according to a third disclosed embodiment of the invention.

FIG. 5 a is a side view of the display rotation apparatus according to a fourth disclosed embodiment of the invention.

FIG. 5 b is a plane view of the display rotation apparatus according to the fourth disclosed embodiment of the invention.

Claims

1. A display rotation apparatus comprising: a support;a universal joint coupled to the support;a movable body coupled to the universal joint;a driving part, coupled to the movable body, for rotating the movable body about the universal joint.

2. A display rotation apparatus of claim 1, wherein the driving part comprises: a tension member coupled to two points facing each other about the universal joint;a roller member for guiding the route of the tension member; anda first motor part, positioned on the route of the tension member, for supplying a tensile force to the tension member.

3. The display rotation apparatus of claim 2, wherein the display rotation apparatus further comprises a tension controlling device on the route of the tension member.

4. The display rotation apparatus of claim 3, wherein the display rotation apparatus further comprises an elastic body having one end coupled to the movable body, and the elastic body supplies an elastic force, opposite the gravitational moment of the display, to the movable body.

5. The display rotation apparatus of claim 3, wherein the first motor part comprises: a motor; anda slip pulley coupled to a driving shaft of the motor,and wherein the tension member is coupled to the slip pulley.

6. The display rotation apparatus of claim 3, wherein the support comprises: a couple portion coupled with the universal joint;a link portion having one end coupled to the couple portion;a second motor part coupled to the joining point of the link portion; anda fixed body coupled with the other end of the link portion,and wherein the couple portion is extendable from the fixed body according to the driving of the link portion.

7. The display rotation apparatus of claim 6, wherein the link portion comprises: a first hinge member and a second hinge member respectively coupled with the fixed body;a first link element having one end rotatably coupled with the first hinge member;a second link element having one end rotatably coupled with the second hinge member;a third link element having one end rotatably coupled with the first link element by way of an interposed third hinge member;a fourth link element having one end rotatably coupled with the second link element by way of an interposed fourth hinge member; anda fifth hinge member and a sixth hinge member respectively coupled with the couple portion,and wherein the other end of the third link element is rotatably coupled with the fifth hinge member, and the other end of the fourth link element is rotatably coupled with the sixth hinge member.

8. The display rotation apparatus of claim 7, wherein the display rotation apparatus further comprises: a first gear coupled with the perimeter of the first hinge member; anda second gear coupled with the perimeter of the second hinge member and gear-joined with the first gear.

9. The display rotation apparatus of claim 7, wherein the display rotation apparatus further comprising: a first gear coupled with the perimeter of the fifth hinge member;a second gear coupled with the perimeter of the sixth hinge member and gear-joined with the first gear.

10. The display rotation apparatus of claim 9, wherein the second motor part is coupled with any one or more of the first hinge member through the sixth hinge member.

11. The display rotation apparatus of claim 9, wherein the first gear and the second gear are coupled by an even number of idle gears.

12. The display rotation apparatus of claim 6, wherein the first motor part and the second motor part respectively comprises: a motor; anda rotary part,the rotary part comprising:a clutch unit coupled with a driving shaft; anda driven shaft in contact with the clutch unit;and wherein the driving force of the motor is smaller than the frictional force between the driven shaft and the clutch unit.

13. The display rotation apparatus of claim 12, wherein the frictional force between the driven shaft and the clutch unit is smaller than the cogging torque of the motor.

14. The display rotation apparatus of claim 13, wherein the display rotation apparatus further comprises one or more washers interposed between the clutch unit and the driven shaft.